Olympus DS-9500 Firmware Update v1.121

17 October, 2019

Olympus DS 9500 Firmware Update

A new firmware update for the wifi-enabled Olympus DS 9500 professional digital dictaphone has been released - version v1.121

Download Olympus DS-9500 firmware update v1.121

Mac users, the firmware update program is not supported on macOS 10.15 Catalina.

The firmware should be applied to a docked and fully charged Olympus DS-9500 and can be updated from either a Mac or Windows PC. 

Olympus DS-9500 Firmware Update to v1.121 on Windows

Olympus DS 9500 Firmware Update v1.121 Release Notes


  • Fixed an issue that occurs when connecting to enterprise Wi-Fi environments.
  • Common causes of device freezing have been corrected.

Specification Changes

  • Improved the device charging specifications.
    • a. Enabled to charge via USB even when the device is PIN Locked.
    • b. Support recharge from Battery Low via USB AC.
    • c. Deleted the confirmation screen “Charge battery?” when charging via USB AC.
    • d. Improved stability when charging from a certain PC.
  • Made it possible to stop and resume recording in MP3 format with Type B and Type C slide switch modes.
  • Fixed the issue that the REW function may not operate at the end of a file.

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